feat(web): return-to-destination on auth redirect; logout pending state (#48)

web/src/auth/require-auth.tsx

@@ -1,14 +1,18 @@
-import { Navigate, Outlet } from "react-router-dom";
+import { Navigate, Outlet, useLocation } from "react-router-dom";
 
 import { useMe } from "../api/queries";
 import { AppShellSkeleton } from "@/components/ui/skeletons";
 
 export function RequireAuth() {
   const { data: user, isLoading } = useMe();
+  const location = useLocation();
 
   if (isLoading) return <AppShellSkeleton />;
 
-  if (!user) return <Navigate to="/login" replace />;
+  if (!user) {
+    const from = encodeURIComponent(location.pathname + location.search);
+    return <Navigate to={`/login?from=${from}`} replace />;
+  }
 
   return <Outlet />;
 }